---
kind: "section"
citation: "14 C.F.R. § 27.687"
title: "14"
number: "27.687"
heading: "Spring devices."
url: "https://uscodex.org/cfr/14/27.687"
---

# §27.687. Spring devices.

- (a) Each control system spring device whose failure could cause flutter or other unsafe characteristics must be reliable.
- (b) Compliance with [paragraph (a)](#a) of this section must be shown by tests simulating service conditions.

## Notes

### Authority

Authority: 49 U.S.C. 106(f), 106(g), 40113, 44701-44702, 44704.

### Source

Source: Docket No. 5074, 29 FR 15695, Nov. 24, 1964, unless otherwise noted.